It means that Russia has some plans of some kind, and they felt there's a better chance of accomplishing those things if Donald Trump is president.

Now, what are those plans? We don't know but given Putin's past history, we can be very sure those plans are NOT in the interest of the USA and most likely NOT in the interest of any country other than Russia. And when things are in Russia's interests vs. another country's interests, usually a lot of people die.

Russia believes it can either manipulate Trump or outright defy him. Trump is too egotistical to believe that's Russia's position, and he is further bamboozled because Putin keeps complimenting him. This is the scariest thing of all.

If I were a betting man, I'd be betting that Russia's plans revolve around oil. They are going bankrupt because of the current state of oil prices and I expect them to do something about it.